On May 3, 9:58 am, Rufus <n...@home . com > wrote:I think they keep it
regulated to 8K feet MSL - I know for a fact that
that's what they do with airliners flying above 10-12K. Anything
greater requires the structure to become too heavy.
None of the below makes any sense at all...the only thing you can do
to
decrease the effects of radiation is to stay away from it. The best
protection from radiation is actually dirt - protective effect is
directly proportional to density. There is no way to combat
radiation
with chemistry. <<
* w w w .yale.edu/ynhti/curriculum/units/1987/6/87.06.03.x.html
The shuttle is kept at sea level pressure .. unless cabin pressure is
different from air pressure ?
AIR
Air pressure inside the cabin of the Shuttle is maintained at 1,033
grams per square centimeter (14.71 lbs.), the same as that on earth at
sea level.
These guys sure a .. keeping WITH the times ..
On May 3, 9:58 am, Rufus <n...@home . com > wrote:There is no way to
combat radiation with chemistry. <<
This has been known at least since .. 2001 ..
A. R. Kennedy1 , J. Guan1 and J. H. Ware1
(1) Department of Radiation Oncology, University of Pennsylvania
School of Medicine, 195 John Morgan Building, 3620 Hamilton Walk,
Philadelphia, PA 19104-6072, USA
Received: 20 September 2006 Accepted: 27 February 2007 Published
online: 27 March 2007
Abstract Of particular concern for the health of astronauts during
space travel is radiation from protons and high atomic number (Z),
high energy particles (HZE particles). Space radiation is known to
induce oxidative stress in astronauts after extended space flight. In
the present study, the total antioxidant status was used as a
biomarker to evaluate oxidative stress induced by proton and HZE
particle radiation in the plasma of CBA mice and the protective
effect
of dietary supplement agents. The results indicate that exposure to
proton and HZE particle radiation significantly decreased the plasma
level of total antioxidants in the irradiated CBA mice. Dietary
supplementation with l-selenomethionine (SeM) or a combination of
selected antioxidant agents (which included SeM) could partially or
completely prevent the decrease in the total antioxidant status in
the
plasma of animals exposed to proton or HZE particle radiation. These
findings suggest that exposure to space radiation may compromise the
capacity of the host antioxidant defense system; this adverse
biological effect can be prevented at least partially by dietary
supplementation with agents expected to have effects on antioxidant
activities.
* w w w .springerlink . com /content/x84v27578w8q27wk/
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Who loves ya.
Tom
Jesus Was A Vegetarian!
* tinyurl . com /2r2nkh
Man Is A Herbivore!
* tinyurl . com /a3cc3
DEAD PEOPLE WALKING
* tinyurl . com /zk9fk
> I think they keep it regulated to 8K feet MSL - I know for a fact that
> that's what they do with airliners flying above 10-12K. Anything
> greater requires the structure to become too heavy.
>
> None of the below makes any sense at all...the only thing you can do to
> decrease the effects of radiation is to stay away from it. The best
> protection from radiation is actually dirt - protective effect is
> directly proportional to density. There is no way to combat radiation
> with chemistry.
>
> --
> - Rufus
>
>
>
> ironjustice wrote:
> > On May 3, 7:38 am, Taka <taka0...@gmail . com > wrote:He wants to say
> > that by turning up the pressure in the cabin you reduce the red blood
> > cell count and therefore iron content in the blood. <<
>
> > This proved to be a futile theory though with a little checking they
> > keep the pressure in the shuttle calibrated at sea level even better
> > than commercial airlines.
>
> > So we are back to the vitamin E / antioxidant depletion by .. ? ..
> > oxidation .. ?
> > Vitamin E was / is ? being used to prevent the anemia which happens in
> >space.
>
> > It would be something other than the pressure which is causing the
> > increased oxidation in the astronaut and give more credence to the
> > increased rays.
>
> > Who loves ya.
> > Tom
>
> > Jesus Was A Vegetarian!
> > * tinyurl . com /2r2nkh
>
> > Man Is A Herbivore!
> > * tinyurl . com /a3cc3
>
> > DEAD PEOPLE WALKING
> > * tinyurl . com /zk9fk
>
> >> On May 2, 2:51 pm, Rufus <n...@home . com > wrote:
>
> >>> Turning up the pressure has nothing to do with stopping the radiation.=
..
> >> He wants to say that by turning up the pressure in the cabin you
> >> reduce the red blood cell count and therefore iron content in the
> >> blood. With less iron there is less oxidation of biological membrane=
s
> >> which are primary target of radiation. You can also put the people o=
n
> >> a coconut/SFA-only diet 2 years prior to the mission and achieve
> >> similar effect since the Omega-6 and 3 are much more susceptible to
> >> radiation-induced oxidation than the Omega-9 Mead acid which replaces
> >> them when you limit your "EFA" intake. But a better solution would b=
e
> >> to remove some bone marrow (stem cells) from the cosmonauts (even
> >> better when they are young) and keep it safe here on the Earth till
> >> they return and then put it back into them.
>
> >> Taka- Hide quoted text -
>
> - Show quoted text -